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3504

Insulation monitoring device detected insulation error

SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter

Hva betyr 3504 ?

The insulation monitoring device has detected an insulation error. If parameter IsoErrIgn is set to 'On', this error is ignored. This indicates a potential safety risk due to compromised insulation in the PV array.

Vanlige årsaker

  • Ground fault in the PV array.
  • Degraded insulation in PV modules or wiring.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Check the PV array for ground faults using an insulation resistance tester.

Se alle koder i denne manualen (29)
Verifisert teknisk data. Sist oppdatert: March 2026

Relaterte feilkoder

0103*Grid voltage is too high (redundant monitoring)0104*Grid voltage is too high (standard monitoring)0203*Grid voltage is too low (redundant monitoring)
Kilde: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
Open Manual (Page 36)Søk flere koder i denne manualen